<div on-click("handleClick", a, b, ...d)/>
<div on-Dashed-cased-Event("handle")/>
<div onCamelcasedEvent("handle") onmouseout="someStringHandler"/>
<custom-tag on-thing("handleThing", a, b, ...d)/>
<custom-tag on-Dashed-cased-Event("handle")/>
<custom-tag onCamelcasedEvent("handle")/>